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US 7,604,209 In force
OverviewAssignmentsSources & methods

Term ends Aug 3, 2027 · High confidence

Filed Aug 3, 2007 as application 11/890,061 · Granted Oct 20, 2009
Base term, 20 years from filing
Today
20 years from filing
2007 2027
Clock starts
Aug 3, 2007
Term ends
Aug 3, 2027
Granted
Oct 20, 2009
base term fee events Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
3 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.

This patent's term is its 20-year base term, with no adjustment for prosecution delay. All three maintenance fees are recorded paid; no more fees are due. Confidence: High. from the record

How we calculated this date

One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Aug 3, 2007, when this application, 11/890,061, was filedAug 3, 2027High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderAug 3, 2027High confidence

Assignments

Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
RecordedAssignorAssigneeConveyance
Dec 28, 2007
Reel 20333, frame 499
Warton, Thomas; Yu, Scott S.Vode Lighting LLCAssignment of Assignor's Interest
Jul 19, 2023
Reel 64339, frame 741
Vode Lighting LLCRoynat Capital Inc.Security Agreement
Jul 19, 2023
Reel 64339, frame 757
Vode Lighting LLCNational Bank of CanadaSecurity Agreement
Aug 11, 2026
Reel 75608, frame 585
Roynat Capital Inc., as AgentVode Lighting LLCRelease of Security Interest
Aug 27, 2026
Reel 75805, frame 72
National Bank of Canada, as AgentVode Lighting LLCRelease of Security Interest

Sources

Google Patents · The patent document at USPTO · Assignment records at USPTO

USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup

Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.

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